Home / 8,292.45-12,442.10-3,360.84

Finding the Fourth Proportional to 8,292.45, 12,442.10 and 3,360.84

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Solution

The fourth proportional to 8,292.45, 12,442.10 and 3,360.84 is: 5,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.45 : 12,442.10 = 3,360.84 : x
  2. Step 2: Convert to fraction form
    8,292.45/12,442.10 = 3,360.84/x
  3. Step 3: Cross multiply
    8,292.45x = 12,442.10 × 3,360.84
  4. Step 4: Simplify right side
    8,292.45x = 41,815,907.36
  5. Step 5: Solve for x
    x = 41,815,907.36/8,292.45
  6. Step 6: Final answer
    x = 5,042.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.